Choose the appropriate option 4, 7, (9), 10, 13, 15, (16), 19 - Number Series - Series Completion -

A. if both the bracketed terms are right:

B. if the first bracketed term is right and second is wrong:

C. if the first bracketed term is wrong and second is right:

D. if both the bracketed terms are wrong.

E. None of the above

Answer: A. if both the bracketed terms are right:

The correct sequence is is + 3, + 2, + 1, + 3, + 2, + 1, + 3.
Clearly, both the terms 9 and 16 are correct.

Posted in: Number Series - Series Completion - Verbal Reasoning